Question: Which Is The Valid Declaration Of Float?

What is the order of variables in enum?

What is the order of variables in Enum.

Explanation: The compareTo() method is implemented to order the variable in ascending order.

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Which one is correct declaration for implementing two interfaces?

To declare a class that implements an interface, you include an implements clause in the class declaration. Your class can implement more than one interface, so the implements keyword is followed by a comma-separated list of the interfaces implemented by the class.

What is invalid about serialization in Java?

What is invalid about serialization in java? a. Serialized object can be persisted into database.

Which is valid declaration of a float Mcq?

Which is valid declaration of a float?1)float f = 1.0;2)float f = 1F;3)float f = 1.0d;4)float f = “1”;5)NULL

Which three are valid declarations of a char Captionless image?

Which three are valid declarations of a char? char c1 = 064770; char c2 = ‘face’;

Which of these is an incorrect array declaration?

Which of these is an incorrect array declaration? Explanation: Operator new must be succeeded by array type and array size. … Explanation: Array can be initialized using both new and comma separated expressions surrounded by curly braces example : int arr[5] = new int[5]; and int arr[] = { 0, 1, 2, 3, 4};

Which of the following is a valid declaration of an object of class box?

Discussion ForumQue.Which of the following is a valid declaration of an object of class Box?b.Box obj = new Box;c.obj = new Box();d.new Box obj;Answer:Box obj = new Box();1 more row

Which three are valid declarations of a float?

Which three are valid declarations of a float? 1. float f1 = -343; 2. float f2 = 3.14; 3.

Which part of code gets executed whether exception is caught or not?

Which part of code gets executed whether exception is caught or not? Explanation: Finally block of the code gets executed regardless exception is caught or not.

Is null a keyword in Java?

In Java, null is a reserved word for literal values. It seems like a keyword, but actually, it is a literal similar to true and false.

Is void a keyword in Java?

The void keyword specifies that a method should not have a return value.

Is Main a keyword in Java?

main: It is the name of Java main method. It is the identifier that the JVM looks for as the starting point of the java program. It’s not a keyword. String[] args: It stores Java command line arguments and is an array of type java.

How do you declare and initialize an array?

Initializing an arrayclass HelloWorld { public static void main( String args[] ) { //Initializing array. int[] array = new int[5]; … class HelloWorld { public static void main( String args[] ) { //Array Declaration. int[] array; … class HelloWorld { public static void main( String args[] ) { int[] array = {11,12,13,14,15};

Which of the following is valid declaration of char?

7) Which of the following is a valid declaration of a char? Answer: (a) char ch = ‘\utea’; Explanation: A char literal may contain a Unicode character (UTF-16). We can directly use these characters only if our file system allows us, else use a Unicode escape (\u) such as “\u02tee”.

Which one is a valid declaration of Boolean?

Answer. The correct valid declaration is boolean b1 = false. Explanation: Boolean refers to a system of logical thought that is used to create true or false statements.

Which is valid keyword in Java?

Which is a valid keyword in java? Explanation: interface is a valid keyword. Option B is wrong because although “String” is a class type in Java, “string” is not a keyword.

Statements 1, 2, 4, 5, and 6 are legal declarations. applies only to variable declarations, not to method declarations. As you can see from these other examples, method declarations can be very extensive.

Which is valid declaration within an interface definition?

A public access modifier is acceptable. The method prototypes in an interface are all abstract by virtue of their declaration, and should not be declared abstract. Option B is wrong. The final modifier means that this method cannot be constructed in a subclass.